866786253628483 has 8 divisors (see below), whose sum is σ = 866886918914016. Its totient is φ = 866685594110400.

The previous prime is 866786253628397. The next prime is 866786253628511. The reversal of 866786253628483 is 384826352687668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866786253628483 - 2²⁵ = 866786220074051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 866786253628397 and 866786253628406.

It is not an unprimeable number, because it can be changed into a prime (866786253628583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302872185 + ... + 305720677.

It is an arithmetic number, because the mean of its divisors is an integer number (108360864864252).

Almost surely, 2^{866786253628483} is an apocalyptic number.

866786253628483 is a deficient number, since it is larger than the sum of its proper divisors (100665285533).

866786253628483 is a wasteful number, since it uses less digits than its factorization.

866786253628483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883725.

The product of its digits is 26754416640, while the sum is 82.

The spelling of 866786253628483 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, two hundred fifty-three million, six hundred twenty-eight thousand, four hundred eighty-three".